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Name Lineage

    The surname Geoghegan

    An Irish patronymic surname, carried by 1,699 people in the United States.

    Pronounced /ˈɡeɪ(ə)ɡən/ 3 syllables Soundex G225

    Geoghegan: #16,802 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer Geoghegan #16,802, 1,699 people Geoghegan: #16,802 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Geoghegan #16,802, 1,699 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Geoghegan is more common than 89.6% of them.

    Origin

    Irish origin

    Reduced Anglicized form of Irish Mag Eochagáin (“son of Eochagán”), a diminutive of Eochaidh. Compare Caughey.

    Geoghegan is a patronymic surname: formed from a father’s (or ancestor’s) given name.

    One of 880 Irish surnames on this site.

    Origin from Wiktionary (CC BY-SA 4.0).

    How common it is

    2010 US Census

    There were 1,699 people named Geoghegan in the United States in 2010, about 1 in every 181,722 Americans. That is up 6.7% since 2000, when the Census counted 1,593.

    #16,802
    rank among US surnames
    1,699
    people in 2010
    0.6
    per 100,000 Americans
    +6.7%
    change since 2000 (was #16,586)
    RankSurnamePeople1 in
    #16,798Kuss1,700181,615
    #16,802Legler1,699181,722
    #16,809Porcaro1,698181,829

    Who is named Geoghegan

    Race and Hispanic origin as people reported it in the 2010 Census

    94% of people named Geoghegan identified as white (not Hispanic), 2.1% as Hispanic or Latino (any race) and 2.1% as two or more races.

    • White (not Hispanic) 94%
    • Hispanic or Latino (any race) 2.1%
    • Two or more races 2.1%
    • Black (not Hispanic) 1.1%
    The Census suppresses very small shares to protect privacy; Asian & Pacific Islander, Native American are not shown.

    Compare: most common surnames among white Americans.

    Famous Geoghegans

    1 notable person on Wikidata, most written-about first

    • Richard H. Geoghegan
      British Esperantist (1866–1943)

    Spellings and sound-alikes

    Useful when a record has your ancestor under another spelling

    Variant spellings

    Geoghegan has the Soundex code G225, the code US census indexes have used since the 1930s. Every surname with code G225.

    Other Irish surnames

    All 880 Irish surnames

    Questions

    Where does the surname Geoghegan come from?
    Reduced Anglicized form of Irish Mag Eochagáin (“son of Eochagán”), a diminutive of Eochaidh. Compare Caughey.
    How common is the surname Geoghegan?
    1,699 people in the United States had the surname Geoghegan in the 2010 Census, about 1 in every 181,722 Americans. It ranked 16,802nd of 162,253 surnames.
    What ethnicity is the surname Geoghegan?
    In the 2010 Census, 94% of people named Geoghegan identified as white (not Hispanic), and 2.1% as Hispanic or Latino (any race).
    Who is the most famous person named Geoghegan?
    Richard H. Geoghegan, British Esperantist (1866–1943).
    Where is the surname Geoghegan most common?
    Wikidata records people named Geoghegan in Ireland.
    How do you pronounce Geoghegan?
    Geoghegan is /ˈɡeɪ(ə)ɡən/, 3 syllables.
    What type of surname is Geoghegan?
    Geoghegan is a patronymic surname, formed from a father’s (or ancestor’s) given name.
    Is the surname Geoghegan getting more or less common?
    More common. 1,593 people carried it in the 2000 Census and 1,699 in 2010, up 6.7%.
    What are other spellings of Geoghegan?
    Gagen and Gahagan.